OTC brings thousands to Houston

May 7, 2014

Thomas B. Shea/For The Chronicle

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Grupo Aguila from Mexico listens as Adel Chemaly with Techno Soft Inc. talk about cad drawings used on storage tanks inside the OTC Pavillion on May 6, 2014 in the NRG Center in Houston, TX. A cad drawing of the storage tanks is reflected in Aguila glasses. (Photo: Thomas B. Shea/For the Chronicle)

Thomas B. Shea/For The Chronicle

180of275

Grupo Aguila from Mexico listens as Adel Chemaly with Techno Soft Inc. talk about cad drawings used on storage tanks inside the OTC Pavillion on May 6, 2014 in the NRG Center in Houston, TX. A cad drawing of the storage tanks is reflected in Aguila glasses. (Photo: Thomas B. Shea/For the Chronicle)